Chapter 11 Inequalities Quick Check

Front

What type of circle is used when graphing the inequality b ≤ 6?

Back

Closed circle.

Front

What is the slope-intercept form of the equation -8x + 2y = 4?

Back

y = 4x + 2.

Front

If you can spend no more than 20 dollars on a birthday present, how is this represented in inequality form?

Back

x ≤ 20.

Front

What does the inequality -1 < 2x + 3 < 11 represent in terms of x?

Back

The solution set for x.

Front

Solve the inequality 4x - 2 ≤ -22.

Back

x ≤ -5.

Front

What does a closed circle on a number line indicate?

Back

The value is included in the solution set.

Front

What does an open circle on a number line indicate?

Back

The value is not included in the solution set.

Front

How do you isolate x in the inequality 3x + 5 > 14?

Back

Subtract 5 from both sides and then divide by 3.

Front

What is the first step to solve the inequality 2x - 4 < 10?

Back

Add 4 to both sides.

Front

What is the graphical representation of the inequality x ≥ 3?

Back

A number line with a closed circle at 3 and shading to the right.